In view of domestic coal tar based pitch and actual existing problems,describes the modified pitch process and technique in about ten commercial units which were developed by ACRE,constructed and commissioned in China recently.

• 根据国内煤焦油沥青产量和存在的现实问题，介绍了由鞍山焦化耐火材料设计研究院（ACRE）开发并投产的近十套工业装置的改质沥青工艺技术。